102 lines
2.6 KiB
C
102 lines
2.6 KiB
C
/* { dg-do compile } */
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/* { dg-options "-O2 -Warray-bounds" } */
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int a[10];
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static inline int n(void) {
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__SIZE_TYPE__ strlen(const char *s);
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return strlen("12345");
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}
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void g(int *p);
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void h(int p);
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void bar (void *);
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int* f(void) {
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int b[10];
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int i;
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struct {
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int c[10];
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} c;
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a[-1] = 0; /* { dg-warning "6:array subscript" } */
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a[ 0] = 0;
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a[ 1] = 0;
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a[ 9] = 0;
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a[10] = 0; /* { dg-warning "6:array subscript" } */
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a[11] = 0; /* { dg-warning "6:array subscript" } */
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bar (a);
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a[2 * n() - 11] = 1; /* { dg-warning "6:array subscript" } */
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a[2 * n() - 10] = 1;
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a[2 * n() - 1] = 1;
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a[2 * n() - 0] = 1; /* { dg-warning "6:array subscript" } */
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bar (a);
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b[-1] = 0; /* { dg-warning "6:array subscript" } */
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b[ 0] = 0;
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b[ 1] = 0;
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b[ 9] = 0;
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b[10] = 0; /* { dg-warning "6:array subscript" } */
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b[11] = 0; /* { dg-warning "6:array subscript" } */
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bar (b);
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b[2 * n() - 11] = 1; /* { dg-warning "6:array subscript" } */
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b[2 * n() - 10] = 1;
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b[2 * n() - 1] = 1;
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b[2 * n() - 0] = 1; /* { dg-warning "array subscript" } */
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c.c[-1] = 0; /* { dg-warning "8:array subscript" } */
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c.c[ 0] = 0;
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c.c[ 1] = 0;
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c.c[ 9] = 0;
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c.c[10] = 0; /* { dg-warning "8:array subscript" } */
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c.c[11] = 0; /* { dg-warning "8:array subscript" } */
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bar (&c);
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c.c[2 * n() - 11] = 1; /* { dg-warning "8:array subscript" } */
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c.c[2 * n() - 10] = 1;
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c.c[2 * n() - 1] = 1;
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c.c[2 * n() - 0] = 1; /* { dg-warning "8:array subscript" } */
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g(&a[8]);
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g(&a[9]);
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g(&a[10]);
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g(&a[11]); /* { dg-warning "array subscript" } */
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g(&a[-30]+10); /* { dg-warning "array subscript" } */
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g(&a[-30]+30);
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g(&b[10]);
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g(&c.c[10]);
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g(&b[11]); /* { dg-warning "array subscript" } */
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g(&c.c[11]); /* { dg-warning "array subscript" } */
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g(&a[0]);
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g(&b[0]);
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g(&c.c[0]);
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g(&a[-1]); /* { dg-warning "array subscript" } */
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g(&b[-1]); /* { dg-warning "array subscript" } */
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h(sizeof a[-1]);
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h(sizeof a[10]);
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h(sizeof b[-1]);
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h(sizeof b[10]);
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h(sizeof c.c[-1]);
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h(sizeof c.c[10]);
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if (10 < 10)
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a[10] = 0;
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if (10 < 10)
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b[10] = 0;
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if (-1 >= 0)
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c.c[-1] = 0;
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for (i = 20; i < 30; ++i)
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a[i] = 1; /* { dg-warning "15:array subscript" } */
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bar (b);
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bar (&c);
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return a;
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}
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